31494424 has 16 divisors (see below), whose sum is σ = 63594720. Its totient is φ = 14535840.

The previous prime is 31494401. The next prime is 31494427. The reversal of 31494424 is 42449413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31494427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151312 + ... + 151519.

It is an arithmetic number, because the mean of its divisors is an integer number (3974670).

Almost surely, 2^31494424 is an apocalyptic number.

It is an amenable number.

31494424 is an abundant number, since it is smaller than the sum of its proper divisors (32100296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31494424 is a wasteful number, since it uses less digits than its factorization.

31494424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302850 (or 302846 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 31494424 is about 5611.9893086142. The cubic root of 31494424 is about 315.7993438513.

The spelling of 31494424 in words is "thirty-one million, four hundred ninety-four thousand, four hundred twenty-four".